Trayvon Martin's mother, brother testify

The mother and brother of Trayvon Martin testified Friday that screams for help captured in the background of audio of a neighbor's 911 call came from the 17-year-old.

http://www.wtsp.com/video/2528830669001/2444255910001/Trayvon-Martins-mother-brother-testifyhttp://bcdownload.gannett.edgesuite.net/wtsp/35087134001/35087134001_2528896417001_th-51d6f1f8e4b0692287087391-807632869001.jpg?pubId=35087134001Trayvon Martin's mother, brother testifyThe mother and brother of Trayvon Martin testified Friday that screams for help captured in the background of audio of a neighbor's 911 call came from the 17-year-old.trayvon martingeorge zimmermanCrimeCourtswtspPreston RudielocalNews02:23